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These indoor-outdoor works are made using man made stone; various types of concrete. The final stone can have many unique qualities that depend on the type of sand aggregate used in the mix.

Steel rebar can also be embedded in the concrete for strength. The dancing girl is 42 inches tall and weighs about 80 lbs yet because of an embedded rebar she stands on one toe.There are 2 basic concrete sculpture techniques used in the pictured works. One starts with a formed block of concrete that was infused with a substance that delays hardening for 16 to 20 hours.

This type employs classic stone carving techniques like those used in marble sculpture however the piece must be completed in one set time period. The other employs adding concrete to build the sculpture just like classic works in clay. The difference is that when fully cured the piece is permanent stone suitable for indoor-outdoor display. Epoxy based paint can also be applied to fully cured works.

Alternative material expands

56

Alternative material expands

the creative potential of stone sculpture

by Marc Rubin

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